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What is Barometer?

An instrument for measuring atmospheric pressure.

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Glossary

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

A very cold high pressure that originates over the Arctic Ocean.

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...